Global Patent Index - EP 4286148 A4

EP 4286148 A4 20240703 - SIPE BLADE AND TIRE MOLD

Title (en)

SIPE BLADE AND TIRE MOLD

Title (de)

LAMELLENBLATT UND REIFENFORM

Title (fr)

LAME DE LAMELLE ET MOULE DE PNEU

Publication

EP 4286148 A4 20240703 (EN)

Application

EP 21923065 A 20211109

Priority

  • JP 2021010847 A 20210127
  • JP 2021041149 W 20211109

Abstract (en)

[origin: EP4286148A1] A sipe blade which is implanted in a base mold and which molds a sipe in a tire is provided with a first blade molded by pressing a plate member and a second blade having a thickness greater than a thickness of the first blade. The second blade is provided with a contact portion which extends along an outer periphery of the first blade implanted in the base mold and with which one molding surface of the first blade comes in contact along a peripheral edge portion of the first blade, or provided with a fitting portion which accommodates the peripheral edge portion of the first blade and with which both molding surfaces of the first blade come in contact.

IPC 8 full level

B29D 30/06 (2006.01); B29C 33/02 (2006.01); B29C 33/42 (2006.01); B29C 35/02 (2006.01); B29L 30/00 (2006.01)

CPC (source: EP US)

B29D 30/0606 (2013.01 - EP US); B60C 11/1218 (2013.01 - EP); B60C 11/1281 (2013.01 - EP); B29C 33/424 (2013.01 - EP); B29D 2030/0613 (2013.01 - EP US); B29L 2030/00 (2013.01 - EP); B60C 2011/1213 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 4286148 A1 20231206; EP 4286148 A4 20240703; CN 116745086 A 20230912; JP 2022114546 A 20220808; US 2024066822 A1 20240229; WO 2022163060 A1 20220804

DOCDB simple family (application)

EP 21923065 A 20211109; CN 202180092136 A 20211109; JP 2021010847 A 20210127; JP 2021041149 W 20211109; US 202118271267 A 20211109